Security updates for Tuesday
Security updates have been issued by Debian (thunderbird), Oracle (kernel, kernel-container, and ruby:2.5), Red Hat (rh-ruby26-ruby), Slackware (libxml2 and libxslt), SUSE (htmldoc and SUSE Manager Server 4.2), and Ubuntu (mariadb-10.3, mariadb-10.5, policykit-1, qemu, virglrenderer, and webkit2gtk).